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The Einstein–Podolsky–Rosen argument against the completeness of quantum mechanics (‘EPR paradox’) is intimately related to no‐hidden‐variable theorems and to the limited options for interpretation with respect to incompatible observables. The argument is analysed, and its connection to John Bell's derivation of the Bell Inequalities examined. The predictions of statistical correlation are subject to empirical tests; once confirmed, the question of interpretation pertains to the possibility of correlations between spatially separated events in the absence of deterministic ’preprogramming’ or...

The Einstein–Podolsky–Rosen argument against the completeness of quantum mechanics (‘EPR paradox’) is intimately related to no‐hidden‐variable theorems and to the limited options for interpretation with respect to incompatible observables. The argument is analysed, and its connection to John Bell's derivation of the Bell Inequalities examined. The predictions of statistical correlation are subject to empirical tests; once confirmed, the question of interpretation pertains to the possibility of correlations between spatially separated events in the absence of deterministic ’preprogramming’ or common causes. Topics include Schroedinger's 'spooky action at a distance’ and the supposition that there can be a ’Bell telephone’ to exploit those predicted correlations for instantaneous communication.